from the question, (-2,2) and (1,2) have the same y value so you can use that as your base and easily find the perpendicular height using the y axis since it's parallel to the x axis.
the third point, (0,-6), to the base is your height
use the sum of the positive of the y values to find your height (because height can't be negative): 6+2 = 8
area of a triangle = 1/2 bh = 1/2 x 3 x 8 = 12
Note: 1/2 bh only works because (-2,2) and (1,2) form a line parallel to the x axis
The answer shall be rational numbers
The 10th position is the 6 right after the dot. The numeral right after the 6 is closer to the next number. So by rounding it, it becomes 9.7 If the digit to the right is 5 or more, you go up a numeral. If it is 4 or less, you keep it at the numeral that it is. If it had been 9.64 then we would have kept it at 9.6 Hope this helps
<span>x^2 – 4x – 5 = (x - 5)(x + 1)
cause
</span>(x - 5)(x + 1) = x^2 -5x +x - 5= x^2 -4x - 5
so (x - 5) and (x + 1) are factors
answer
(x - 5) and (x + 1)
